711340691 has 2 divisors, whose sum is σ = 711340692. Its totient is φ = 711340690.

The previous prime is 711340687. The next prime is 711340697. The reversal of 711340691 is 196043117.

It is a weak prime.

It is an emirp because it is prime and its reverse (196043117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 711340691 - 2² = 711340687 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (711340697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355670345 + 355670346.

It is an arithmetic number, because the mean of its divisors is an integer number (355670346).

Almost surely, 2^711340691 is an apocalyptic number.

711340691 is a deficient number, since it is larger than the sum of its proper divisors (1).

711340691 is an equidigital number, since it uses as much as digits as its factorization.

711340691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 711340691 is about 26670.9709422061. The cubic root of 711340691 is about 892.6733116550.

The spelling of 711340691 in words is "seven hundred eleven million, three hundred forty thousand, six hundred ninety-one".